61265720

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{2557}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 138132000

約数和(自身を除く): 76866280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 2396, 2557, 2995, 4792, 5114, 5990, 10228, 11980, 12785, 20456, 23960, 25570, 51140, 102280, 1531643, 3063286, 6126572, 7658215, 12253144, 15316430, 30632860, 61265720]

約数ペア:

[(1, 61265720), (2, 30632860), (4, 15316430), (5, 12253144), (8, 7658215), (10, 6126572), (20, 3063286), (40, 1531643), (599, 102280), (1198, 51140), (2396, 25570), (2557, 23960), (2995, 20456), (4792, 12785), (5114, 11980), (5990, 10228)]